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        <a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png">&nbsp;OpenLayers 3 Examples</a>
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          <h4 id="title">JSTS Example</h4>
          <p id="shortdesc">Example on how to use JSTS with OpenLayers 3.</p>
          <div id="docs"><p>Example showing the integration of <a href="https://github.com/bjornharrtell/jsts">JSTS</a> with OpenLayers 3.</p>
</div>
          <div id="tags">vector, jsts, buffer</div>
          <div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Feature.html" title="API documentation for ol.Feature">ol.Feature</a></li>,<li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.format.GeoJSON.html" title="API documentation for ol.format.GeoJSON">ol.format.GeoJSON</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.proj.html" title="API documentation for ol.proj">ol.proj</a></li>,<li><a href="../apidoc/ol.source.MapQuest.html" title="API documentation for ol.source.MapQuest">ol.source.MapQuest</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li></ul></div>
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        <form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
          <textarea class="hidden" name="js">// NOCOMPILE
// this example uses JSTS for which we don&#x27;t have an externs file.
var source &#x3D; new ol.source.Vector();
$.ajax(&#x27;data/geojson/roads-seoul.geojson&#x27;).then(function(response) {
  var format &#x3D; new ol.format.GeoJSON();
  var features &#x3D; format.readFeatures(response,
      {featureProjection: &#x27;EPSG:3857&#x27;});

  var parser &#x3D; new jsts.io.olParser();

  for (var i &#x3D; 0; i &lt; features.length; i++) {
    var feature &#x3D; features[i];
    // convert the OpenLayers geometry to a JSTS geometry
    var jstsGeom &#x3D; parser.read(feature.getGeometry());

    // create a buffer of 40 meters around each line
    var buffered &#x3D; jstsGeom.buffer(40);

    // convert back from JSTS and replace the geometry on the feature
    feature.setGeometry(parser.write(buffered));
  }

  source.addFeatures(features);
});
var vectorLayer &#x3D; new ol.layer.Vector({
  source: source
});

var rasterLayer &#x3D; new ol.layer.Tile({
  source: new ol.source.MapQuest({
    layer: &#x27;osm&#x27;
  })
});

var map &#x3D; new ol.Map({
  layers: [rasterLayer, vectorLayer],
  target: document.getElementById(&#x27;map&#x27;),
  view: new ol.View({
    center: ol.proj.fromLonLat([126.979293, 37.528787]),
    zoom: 15
  })
});
</textarea>
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          <textarea class="hidden" name="html">&lt;div class&#x3D;&quot;row-fluid&quot;&gt;
  &lt;div class&#x3D;&quot;span12&quot;&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
  &lt;/div&gt;
&lt;/div&gt;
</textarea>
          <input type="hidden" name="wrap" value="l">
          <input type="hidden" name="resources" value="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css,https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js,http://openlayers.org/en/v3.11.1/css/ol.css,http://openlayers.org/en/v3.11.1/build/ol.js,https://cdn.rawgit.com/bjornharrtell/jsts/gh-pages/lib/0.16.0/javascript.util.min.js,https://cdn.rawgit.com/bjornharrtell/jsts/gh-pages/lib/0.16.0/jsts.min.js">
        </form>
        <pre><code id="example-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;JSTS Example&lt;/title&gt;
&lt;script src="https://code.jquery.com/jquery-1.11.2.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"&gt;
&lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="http://openlayers.org/en/v3.11.1/css/ol.css" type="text/css"&gt;
&lt;script src="http://openlayers.org/en/v3.11.1/build/ol.js"&gt;&lt;/script&gt;
&lt;script src&#x3D;&quot;https://cdn.rawgit.com/bjornharrtell/jsts/gh-pages/lib/0.16.0/javascript.util.min.js&quot;&gt;&lt;/script&gt;
&lt;script src&#x3D;&quot;https://cdn.rawgit.com/bjornharrtell/jsts/gh-pages/lib/0.16.0/jsts.min.js&quot;&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;div class="container-fluid"&gt;

&lt;div class&#x3D;&quot;row-fluid&quot;&gt;
  &lt;div class&#x3D;&quot;span12&quot;&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
  &lt;/div&gt;
&lt;/div&gt;

&lt;/div&gt;
&lt;script&gt;
// NOCOMPILE
// this example uses JSTS for which we don&#x27;t have an externs file.
var source &#x3D; new ol.source.Vector();
$.ajax(&#x27;data/geojson/roads-seoul.geojson&#x27;).then(function(response) {
  var format &#x3D; new ol.format.GeoJSON();
  var features &#x3D; format.readFeatures(response,
      {featureProjection: &#x27;EPSG:3857&#x27;});

  var parser &#x3D; new jsts.io.olParser();

  for (var i &#x3D; 0; i &lt; features.length; i++) {
    var feature &#x3D; features[i];
    // convert the OpenLayers geometry to a JSTS geometry
    var jstsGeom &#x3D; parser.read(feature.getGeometry());

    // create a buffer of 40 meters around each line
    var buffered &#x3D; jstsGeom.buffer(40);

    // convert back from JSTS and replace the geometry on the feature
    feature.setGeometry(parser.write(buffered));
  }

  source.addFeatures(features);
});
var vectorLayer &#x3D; new ol.layer.Vector({
  source: source
});

var rasterLayer &#x3D; new ol.layer.Tile({
  source: new ol.source.MapQuest({
    layer: &#x27;osm&#x27;
  })
});

var map &#x3D; new ol.Map({
  layers: [rasterLayer, vectorLayer],
  target: document.getElementById(&#x27;map&#x27;),
  view: new ol.View({
    center: ol.proj.fromLonLat([126.979293, 37.528787]),
    zoom: 15
  })
});

&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;</code></pre>
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